net-proxy/opera-proxy: add 1.15.0, drop 1.13.1

The original repo is gone without notice :/

Signed-off-by: Anna (cybertailor) Vyalkova <cyber+gentoo@sysrq.in>

net-proxy/opera-proxy/opera-proxy-1.15.0.ebuild

@@ -0,0 +1,28 @@
+# Copyright 2026 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+inherit go-module
+
+DESCRIPTION="Standalone Opera VPN proxies client"
+HOMEPAGE="https://wiki.gentoo.org/wiki/No_homepage"
+SRC_URI="https://github.com/gentoo-golang-dist/${PN}/archive/refs/tags/v${PV}.tar.gz -> ${P}.tar.gz
+	https://github.com/gentoo-golang-dist/${PN}/releases/download/v${PV}/${P}-vendor.tar.xz"
+
+LICENSE="MIT"
+# Go dependency licenses
+LICENSE+=" BSD BSD-2 MPL-2.0"
+SLOT="0"
+KEYWORDS="~amd64"
+
+src_compile() {
+	ego build -o opera-proxy
+}
+
+src_install() {
+	dobin opera-proxy
+	einstalldocs
+
+	newinitd "${FILESDIR}"/opera-proxy.initd opera-proxy
+}